CN216667997U - Hot water electric control circulating device applied to water heater - Google Patents

Abstract

The utility model discloses a hot water electric control circulation device applied to a water heater, which comprises a casing and a valve seat arranged in the casing. The hot water outlet pipe connected with the hot water pipe of the water equipment, and the return water pipe connected with the cold water pipe of the water equipment, a thermocouple is arranged in the pipeline between the hot water inlet pipe and the hot water outlet pipe, and the hot water inlet pipe to the return water pipe An electric control valve is arranged in the pipeline between them, and also includes a control board which is arranged in the casing and is electrically connected with the thermocouple and the electric control valve, and a power supply module which is electrically connected with the control board; Time to give a signal to the water flow meter on the water heater, and open the electric control valve at the same time to empty the cold water in the pipeline. When the thermocouple detects that there is hot water at the water end, the electric control valve is closed. Very good convenience.

Description

A hot water electric control circulation device applied to a water heater

technical field

The utility model relates to the field of water heaters, in particular to a hot water electric control circulation device applied to the water heater.

Background technique

In the home smart shower system, in order to achieve the "zero cold water" function of the water heater during use, very complex equipment or systems will be used, resulting in high purchase and use costs. Therefore, a hot water heater for water heaters is urgently needed. A controlled circulation device is used to solve the above problems.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a hot water electric control circulation device applied to a water heater.

An embodiment of the present invention adopts a technical solution to solve the technical problem: a hot water electric control circulation device applied to a water heater, comprising a casing and a valve seat arranged in the casing, and the valve seat is provided with a The hot water inlet pipe connected with the hot water outlet end of the water heater, the hot water outlet pipe connected with the hot water pipe of the water equipment, and the return pipe connected with the cold water pipe of the water equipment, and the pipe between the hot water inlet pipe and the hot water outlet pipe A thermocouple is arranged in the road, an electric control valve is arranged in the pipeline between the hot water inlet pipe and the return pipe, and also includes a control board arranged in the shell and electrically connected with the thermocouple and the electric control valve, and an electric control board electrically connected to the control board. connected power module.

Further, the thermocouple is arranged in the pipe between the hot water inlet pipe and the return pipe.

Further, a water flow one-way check valve is connected to the pipeline of the water return pipe.

Further, the control board is provided with a first communication module for communicating with the water heater and for turning on or off the circulating water pump at the water heater end.

A hot water electric control circulation device applied to a water heater further includes a controller, a second communication module capable of communicating with the controller is arranged on the control board, and the controller is used to control the electric control valve and the start and stop of the circulating water pump at the water heater end.

The second communication module is set to a wired communication mode or a wireless communication mode.

Further, the electronically controlled valve is configured as a motor valve or a solenoid valve.

Further, a switch electrically connected to the control board is provided on the casing.

The beneficial effects of the utility model are as follows: a hot water electric control circulation device applied to a water heater, comprising a casing and a valve seat arranged in the casing, the valve seat is provided with a hot water inlet pipe communicating with the hot water outlet end of the water heater , the hot water outlet pipe connected with the hot water pipe of the water equipment, and the return pipe connected with the cold water pipe of the water equipment, a thermocouple is arranged in the pipeline between the hot water inlet pipe and the hot water outlet pipe, and the hot water inlet pipe is An electric control valve is arranged in the pipeline between the return pipes, and also includes a control board which is arranged in the casing and is electrically connected with the thermocouple and the electric control valve, and a power supply module which is electrically connected with the control board; The hot water discharge function of the equipment is turned off after a period of time. During this period of water discharge, the periodic continuous electrical signal generated by the water flow meter is sent to the MCU processor on the control board to determine whether it is a signal to turn on the internal circulation function. At the same time, through the thermocouple Detect whether the water temperature in the pipeline is lower than the set opening water temperature. If it meets the conditions for opening the internal circulation heating, the control board opens the electric control valve from the closed state to the open conduction state, and the control board controls the circulating water pump through the first communication module. It works to form an internal circulating water circuit with the water heater, and sends the hot water generated in the water heater to the thermocouple of the hot water electric control circulation device to detect the change of water temperature. When the thermocouple of the hot water electric control circulation device detects When the temperature of the water flowing here reaches the set water temperature, the control board closes the electric control valve from the open conduction state to the closed state, and at the same time controls the circulating water pump from the open state to the closed stop state through the first communication module.

The operation controller can also control the electric control valve through the control board through the second communication module, and the first communication module can control the circulating water pump to open or close related functions, which has very good convenience.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments in conjunction with the accompanying drawings, wherein:

Fig. 1 is an exploded view of a hot water electric control circulation device applied to a water heater;

FIG. 2 is a schematic diagram of an application scenario of a hot water electric control circulation device applied to a water heater.

Detailed ways

This part will describe the specific embodiments of the present invention in detail, and the preferred embodiments of the present invention are shown in the accompanying drawings. Understand each technical feature and overall technical solution of the present invention, but it should not be construed as a limitation on the protection scope of the present invention.

In the description of the present invention, the meaning of multiple means two or more, greater than, less than, exceeding, etc., are understood as not including this number, and above, below, within, etc., are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.

In the description of the present utility model, it should be understood that the orientation descriptions related to orientations, such as up, down, front, rear, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings, only It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the present utility model, unless otherwise clearly defined, words such as "setting", "installation" and "connection" should be understood in a broad sense, for example, it may be directly connected or indirectly connected through an intermediate medium; it may be a fixed connection, It can also be a detachable connection, or an integral molding; it can be a mechanical connection; it can be a communication between two elements or an interaction relationship between the two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solutions.

1 to 2, a hot water electronically controlled circulation device applied to a water heater includes a casing 10 and a valve seat 20 disposed in the casing 10. The valve seat 20 is provided with a hot water outlet 31 connected to the water heater 30. The connected hot water inlet pipe 21, the hot water outlet pipe 22 communicated with the hot water pipe of the water equipment 40, and the return water pipe 23 communicated with the cold water pipe of the water equipment 40, the hot water inlet pipe 21 to the hot water outlet pipe 22. A thermocouple 51 is arranged in the pipeline, an electric control valve 52 is arranged in the pipeline between the hot water inlet pipe 21 and the return pipe 23, and an electric control valve 52 is arranged in the casing 10 and electrically connected to the thermocouple 51 and the electric control valve 52. The connected control board 53 and the power supply module 60 electrically connected with the control board 53 .

The water return device of the present invention is applied in a hot water supply system, and is installed at the water end 40 of the system. Specifically, it is connected through the above-mentioned connection method. The working principle of the "zero cold water" hot water supply system is as follows:

The user discharges water by turning on the hot water opening function of the water equipment 40 (faucets, showers, etc.), and the water flows out for a certain period of time (usually 3-5 seconds as a cycle) and then turns off. Periodic continuous electrical signals are sent to the MCU processor on the control board, and at the same time, the thermocouple 51 on the return water device detects that the water temperature in the hot water inlet pipe 21 is lower than the set value (for example, 38°C), if it meets the requirement to open In the internal circulation heating condition, the control board opens the electric control valve 52 from the closed state to the open conduction state, and the control board 53 controls the circulating water pump from the closed state to the open working state through the first communication module, so that the cold and hot water pipelines are formed. Effective internal circulation; when the hot water flows to the thermocouple 51 on the return water device, and the hot water temperature reaches or is higher than the set water temperature (such as 38 ° C), the control board will turn the electronic control valve 52 from the open conduction state. In the closed state, the conduction state of the internal circulating water route of the cold and hot water is turned into an open-circuit state, and at the same time, the circulating water pump at the end of the water heater 30 sends a control signal through the first communication module from the open state to the closed stop state. The light prompt circuit reminds the user that the hot water can be used. Through the above structure, "zero cold water" hot water supply can be realized through a low-cost water return device, which has very good convenience.

The operation controller can also control the electric control valve through the control board through the second communication module, and the first communication module can control the circulating water pump to open or close related functions, which has very good convenience.

The thermocouple 51 is arranged in the pipe between the hot water inlet pipe 21 and the return pipe 23 .

A water flow meter 54 is also provided in the pipeline between the hot water inlet pipe 21 and the hot water outlet pipe 22;

A water flow one-way check valve 70 is connected to the pipeline of the return water pipe 23; by setting the one-way check valve 70, the cold water in the bypass pipeline 42 can be prevented from flowing to the hot water pipe.

The control board 53 is provided with a first communication module for communicating with the water heater 30 and for turning on or off the circulating water pump at the water heater 30 end.

A hot water electric control circulation device applied to a water heater further includes a controller 61, and a second communication module that can communicate with the controller 61 is arranged on the control board 53. The controller 61 is used to control the electronically controlled valve 52 and the water heater 30. Start and stop of the circulating water pump; in the present invention, the circulating water pump 20 at the water heater 30 end is triggered by using the water equipment 40 to discharge water, or the electric control valve 52 on the return water device can be directly controlled by the controller 61 to make the water end The bypass pipeline 42 of 40 is connected, so that the cold water in the pipeline can be emptied.

The second communication module is set to a wired communication mode or a wireless communication mode.

The electronically controlled valve 52 is configured as a motor valve or a solenoid valve.

The casing 10 is provided with a switch 11 that is electrically connected to the control board 53 .

The power module 60 is provided as a battery pack and/or a charging interface.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can also make equivalent modifications or replacements without violating the spirit of the present invention, and these equivalent modifications and replacements are included in the claims of the present application within the limited range.

Claims (8)

1. The utility model provides an automatically controlled circulating device of hot water for water heater which characterized in that: the water heater comprises a shell (10) and a valve seat (20) arranged in the shell (10), wherein a hot water inlet pipe (21) communicated with a hot water outlet end (31) of a water heater (30), a hot water outlet pipe (22) communicated with a hot water pipe of a water using device (40), a water return pipe (23) communicated with a cold water pipe of the water using device (40) are arranged on the valve seat (20), a thermocouple (51) is arranged in a pipeline between the hot water inlet pipe (21) and the hot water outlet pipe (22), an electric control valve (52) is arranged in a pipeline between the hot water inlet pipe (21) and the water return pipe (23), the water heater further comprises a control board (53) arranged in the shell (10) and electrically connected with the thermocouple (51) and the electric control valve (52), and a power module (60) electrically connected with the control board (53).

2. The electric control circulating device for hot water applied to the water heater as claimed in claim 1, wherein: the thermocouple (51) is arranged in a pipeline between the hot water inlet pipe (21) and the water return pipe (23).

3. The electric control circulating device for hot water applied to the water heater as claimed in claim 1, wherein: and a pipeline of the water return pipe (23) is connected with a water flow one-way check valve (70).

4. The electric control circulating device for hot water applied to the water heater as claimed in claim 1, wherein: the control panel (53) is provided with a first communication module which is used for communicating with the water heater (30) and turning on or off the circulating water pump at the end of the water heater (30).

5. The electric control circulating device for hot water applied to the water heater as claimed in claim 1, wherein: and a second communication module which can be communicated with a controller (61) is arranged on the control board (53), and the controller (61) is used for controlling the start and stop of the electric control valve (52) and the circulating water pump at the water heater (30) end.

6. The electric control circulating device for hot water applied to the water heater as claimed in claim 5, wherein: the second communication module is set to be in a wired communication mode or a wireless communication mode.

7. The electric control circulating device for hot water applied to the water heater as claimed in claim 1, wherein: the electric control valve (52) is set to be an electric motor valve or an electromagnetic valve.

8. The electric control circulating device for hot water applied to the water heater as claimed in claim 1, wherein: the shell (10) is provided with a switch (11) which is electrically connected with the control board (53).

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